Rockwall, TX County has a humid subtropical climate, with hot and humid summers and generally mild winters. Average temperatures in the summer range from the mid-80s to mid-90s Fahrenheit, while winter months hover around the low 40s. Precipitation is abundant throughout the year, with most areas receiving over 40 inches of rainfall annually. The county experiences frequent thunderstorms during the late spring and summer months, as well as strong winds throughout the year. Despite relatively high temperatures in the summer, humidity levels are usually fairly low due to its proximity to Lake Ray Hubbard.
Rockwall County, Texas gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rockwall County averages 1 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 232 sunny days per year in Rockwall County. The US average is 205 sunny days.
Rockwall County gets some kind of precipitation, on average, 81 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 95 degrees
Winter Low: the January low is 34
Rain: averages 40 inches of rain a year
Snow: averages 1 inches of snow a year